Next.js 15 (Canary) - Issue with Convex Auth Context | Convex Community | Page 1

ashen shuttle Dec 5, 2024, 2:20 PM

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I'm using Next.js 15 (canary version), and everything works fine most of the time. However, occasionally after a hard reload, the middleware indicates the user is authenticated, but mutations fail because the ctx.user is undefined. For example, inside a mutation:
...
const userId = await getAuthUserId(ctx)
...
returns undefined, This issue seems to resolve itself after a few refreshes.

What could be causing this behavior?

I'm using:
"@auth/core": "^0.37.4",
"@convex-dev/auth": "^0.0.75",
"convex": "^1.17.3",
"convex-helpers": "^0.1.65",

timber oysterBOT Dec 5, 2024, 2:20 PM

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Thanks for posting in #1088161997662724167.
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ashen shuttle Dec 5, 2024, 2:42 PM

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Digging a bit deeper, it seems that on the page:
export const dynamic = 'force-static';

is what triggers the issue.

unique thunder Dec 5, 2024, 5:12 PM

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@ashen shuttle Could you open an issue on https://github.com/get-convex/convex-auth, if you're feeling generous with a small reproduction?

This sounds expected from https://nextjs.org/docs/app/api-reference/file-conventions/route-segment-config#dynamic

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since that means no cookies, there's no way you could remain logged in

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but if we're going to get questions / GitHub issues about it we should mention it in a Next.js guide or docs

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the good news is all this https://nextjs.org/docs/app/api-reference/file-conventions/route-segment-config#dynamic is being deprecated eventually in favor of https://nextjs.org/docs/canary/app/api-reference/config/next-config-js/dynamicIO which should be simpler to explain

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Can I ask @ashen shuttle why you used export const dynamic = 'force-static', is there a tutorial you were following or a guide that recommended it?

ashen shuttle Dec 5, 2024, 6:07 PM

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I want to generate a static page while streaming server components. I'm also testing PPR. 🙂

unique thunder Dec 5, 2024, 6:09 PM

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Do you want to use auth on that static page?

unique thunder Dec 5, 2024, 6:10 PM

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ashen shuttle I want to generate a static page while streaming server components. I'm also tes...

What does this mean, the outer layout is static but the server components aren't?

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If you could write up what you were trying to do or show a code sample in a Convex Auth GitHub issue that would be helpful

ashen shuttle Dec 5, 2024, 6:12 PM

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I'll definitely get to it this weekend. Thank you for your prompt response!

ashen shuttle Dec 5, 2024, 6:13 PM

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unique thunder Do you want to use auth on that static page?

Yeah, it doesn't make sense now that I'm thinking about it properly hahaha

#Next.js 15 (Canary) - Issue with Convex Auth Context